Installation Instructions
AWARNING
•The applianceand itsindividualshutoffvalvemustbe discon- nectedfrom the gassupplypiplng systemduringanypressure testing of the gassystem at test pressuresin excessof
poundpersquareinch(3.SkPa)...
•The appiiancemustbe isulatedfrom the gassuppiyIxl_ngsys- tem bydosingi_ individualmanualshutoff valveduringany pressuretestingof the gassupplypipingsystemat trot pres- suresequalor lessthan _ poundper squareinch(3.SkPa).
AWARNING[
Use pipe joint compound or teflon tape marked as being [ resistantto the acUonof petroleum [Propane(LR)] gase_ [
SEDIMENT TRAP
A sediment trap shall be installed as close to the inlet of the water heater as practical at the time of water heater installation. The sediment trap shall be either a tee fitting with a capped nip-
ple in the bottom outlet or other device recognized as an effec- tive sediment trap. Ifa tee fitting is used, it shall be installed in conformance with one of the methods of installation shown below.
Connecting the gas piping to the gas control valve of the water heater can be accomplished by either of the two methods shown.
AWARNING
Contaminantsin the gaslinesmay causeimproper operation of the gascontrolvalve that may resultin fire or explosion. Beforeattachingthe gasline be sure that all gaspipeisclean on the inside.To trap any dirt or foreign material in the gas supplyline, a drip leg (sometimes called a sediment trap) must be incorporated in the piping. The drip leg must be
readily accessibleInstallin. accordancewith the "Gas Piping" section.Refer to the latest edition of the National Fuel Gas
Code, ANSI 7.223.1,also referred to as NFPA 54.
(cont'd)
GAS PIPING WITH
FLEXIBLE CONNECTOR
LOOP
GAS
GROUND_'ONTROL VALVE
DRIP LEG (Sedimenttrap)
CAP
GAS PIPING WITH ALL BLACK IRON
PIPE TO GAS CONTROL
GROUND JOINT "_ | BLACK PIPE |
GAS
CONTROL
VALVE
3 min._ (Sej _D'RmIPntLEtCAP_ap)t
15
